Home / 20,007.23-30,018.91-8,906.33

Finding the Fourth Proportional to 20,007.23, 30,018.91 and 8,906.33

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Solution

The fourth proportional to 20,007.23, 30,018.91 and 8,906.33 is: 13,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.23 : 30,018.91 = 8,906.33 : x
  2. Step 2: Convert to fraction form
    20,007.23/30,018.91 = 8,906.33/x
  3. Step 3: Cross multiply
    20,007.23x = 30,018.91 × 8,906.33
  4. Step 4: Simplify right side
    20,007.23x = 267,358,179.74
  5. Step 5: Solve for x
    x = 267,358,179.74/20,007.23
  6. Step 6: Final answer
    x = 13,363.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.